Energy & Green Tech

A second life for discarded lithium-ion cells

In 2030, around 1.2 million lithium-ion batteries of electric cars, buses and construction machinery will be decommissioned worldwide because they will reach the end of their planned service life, their warranty will expire ...

Software

Smartphone app can unmask forged documents

Researchers at ETH Zurich have developed a smartphone app that can be used to check the authenticity of documents and other items. Extracts from the debt enforcement register of the City of Zurich are being made forgery-proof ...

Internet

TikTok challenges potential US ban in court

TikTok and its Chinese parent company ByteDance filed a legal challenge against the United States on Tuesday, taking aim at a law that would force the app to be sold or face a US ban.

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